New grain refinement method for aluminum cast alloys without adding grain refiner
New grain refinement method for aluminum cast alloys without adding grain refiner
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不添加晶粒细化剂的铝合金铸造合金晶粒细化新方法
DOI：
10.2978/jsas.13.467
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发表时间：
2001
期刊：
影响因子：
--
通讯作者：
A. Sato
中科院分区：
文献类型：
--
作者：
Y. Osawa;S. Takamori;A. Sato
晶粒细化剂通常在晶粒细化的铸造过程中加入，但最近已成为回收问题，这要求努力开发新的晶粒细化方法。本文实现了在铸造铝合金凝固过程中应用超声振动实现晶粒细化的技术突破。澄清细化机制，以确定施加最佳振动的温度范围。
Grain refiner has conventionally been added during the casting process of grain refinement, but it has recently become a recycling problem, which calls for the efforts for development of a new grain refinement method. In this paper, a technological breakthrough has been achieved, where grain refinement was successfully completed by applying ultrasonic vibration during the solidification process of aluminum cast alloys. The refinement mechanism was clarified to determine the temperature range to apply the optimum vibration.